Solve using the addition and multiplication principles together.-[9x + (5x + 7)] = 7 - (3x + 8)
A. - 6
B. - 
C. - 8
D. - 
Answer: D
Mathematics
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Choose the most reasonable unit of measure.Width of a two-lane road: 12 
(in., ft, yd, mi)
A. yd B. ft C. mi D. in.
Mathematics
A pair of similar triangles is given. Write the corresponding angles and the ratios of the corresponding sides.
A. ?L ? ?P
?M ? ?R
?N ? ?Q
= 
= 
B. ?L ? ?P
?M ? ?Q
?N ? ?R
= 
= 
C. ?L ? ?P
?M ? ?R
?N ? ?Q
= 
= 
D. ?L ? ?P
?M ? ?Q
?N ? ?R
= 
= 
Mathematics
Solve by transforming the augmented matrix into row echelon form.
A. (2, 7, 5) B. no solution C. (2, 5, 7) D. (-2, 7, 4)
Mathematics
Solve the equation. First simplify the expression by combining like terms.-7(k - 7) - (-8k - 6) = 3
A. - 4 B. 52 C. 58 D. - 52
Mathematics